Search on: VENTRAL ROOTS 
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Descriptor English:   Spinal Nerve Roots 
Descriptor Spanish:   Raíces Nerviosas Espinales 
Descriptor Portuguese:   Raízes Nervosas Espinhais 
Synonyms English:   Dorsal Roots
Spinal Roots
Ventral Roots  
Tree Number:   A08.800.800.720.725
Definition English:   The paired bundles of nerve fibers entering and leaving the spinal cord at each segment. The dorsal and ventral nerve roots join to form the mixed segmental spinal nerves. The dorsal roots are generally afferent, formed by the central projections of the spinal (dorsal root) ganglia sensory cells, and the ventral roots efferent, comprising the axons of spinal motor and autonomic preganglionic neurons. There are, however, some exceptions to this afferent/efferent rule. 
Indexing Annotation English:   /surg: consider also RHIZOTOMY; DORSAL ROOT GANGLIA is see GANGLIA, SPINAL; inflammation = RADICULITIS (single root) or POLYRADICULITIS (several roots) or POLYRADICULONEURITIS (nerve roots & peripheral nerves); do not use vertebra headings to locate area of spinal nerves; nerve root compression: coord IM with NERVE COMPRESSION SYNDROMES (IM), not SPINAL CORD COMPRESSION
See Related English:   Polyradiculopathy
Radiculopathy
Rhizotomy
 
History Note English:   73(70) 
Allowable Qualifiers English:  
AB abnormalities AH anatomy & histology
BS blood supply CH chemistry
CY cytology DE drug effects
EM embryology EN enzymology
GD growth & development IM immunology
IN injuries ME metabolism
MI microbiology PS parasitology
PA pathology PH physiology
PP physiopathology RE radiation effects
RA radiography RI radionuclide imaging
SE secretion SU surgery
US ultrasonography UL ultrastructure
VI virology  
Record Number:   13510 
Unique Identifier:   D013126 

Occurrence in VHL:
 

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